PICS: Rain derails US Open

Maria Sharapova of Russia wraps herself in towels underneath an umbrella as rain delays play during her women's singles quarterfinal match against Marion Bartoli of France on Day Nine of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 4, 2012 in the Flushing neighborhood of the Queens borough of New York City.

Novak Djokovic of Serbia leaves the court under the shelter of an umbrella as rain delayed play in his men's singles fourth round match against Stanislas Wawrinka of Switzerland on Day Nine of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 4, 2012 in the Flushing neighborhood of the Queens borough of New York City.

Janko Tipsarevic of Serbia leaves the court after play was suspended due to rain during his men's singles fourth round match against Philipp Kohlschreiber of Germany on Day Nine of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 4, 2012 in the Flushing neighborhood of the Queens borough of New York City.

Philipp Kohlschreiber of Germany leaves the court after play was suspended due to rain during his men's singles fourth round match against Janko Tipsarevic of Serbia on Day Nine of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 4, 2012 in the Flushing neighborhood of the Queens borough of New York City.

Andy Roddick of the United States laughs as his wife Brooklyn Decker signals to him after rain delayed play during his men's singles fourth round match against Juan Martin Del Potro of Argentina on Day Nine of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 4, 2012 in the Flushing neighborhood of the Queens borough of New York City.

Andy Roddick of the U.S. sits under an umbrella during a rain delay against Juan Martin Del Potro of Argentina during their match at the U.S. Open men's singles tennis tournament in New York September 4, 2012.

A tennis fan sleeps under an umbrella to wait out a rain delay at the U.S. Open tennis tournament in New York, September 4, 2012.

David Ferrer of Spain leaves the court underneath an umbrella after rain delayed play during his men's singles fourth round match against Richard Gasquet of France on Day Nine of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 4, 2012 in the Flushing neighborhood of the Queens borough of New York City.

Richard Gasquet of France wipes his face with a towel as he leaves the court underneath an umbrella after rain delayed play during his men's singles fourth round match against David Ferrer of Spain on Day Nine of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 4, 2012 in the Flushing neighborhood of the Queens borough of New York City.

Spectators shelter under umbrellas as rain delays play during the women's singles quarterfinal match between Maria Sharapova of Russia and Marion Bartoli of France on Day Nine of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 4, 2012 in the Flushing neighborhood of the Queens borough of New York City.

Serbia's Janko Tipsarevic waits as play is suspended with his match against Andy Roddick because of rain in the fourth round of play at the 2012 US Open tennis tournament, Tuesday, Sept. 4, 2012, in New York.

A fan uses an umbrella to stay dry during a rain delay in the 2012 US Open tennis tournament, Tuesday, Sept. 4, 2012, in New York.

Grounds crew dry Arthur Ashe Stadium after rain suspened action on Day Nine of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 4, 2012 in the Flushing neighborhood of the Queens borough of New York City.

Grounds crew dry Arthur Ashe Stadium after rain suspended action on Day Nine of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 4, 2012 in the Flushing neighborhood of the Queens borough of New York City.

Grounds crew dry the court after rain suspened action during Day Nine of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 4, 2012 in the Flushing neighborhood of the Queens borough of New York City.

Grounds crew dry the court after rain suspened action during Day Nine of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 4, 2012 in the Flushing neighborhood of the Queens borough of New York City.

Fans walk with umbrellas as rain falls to suspend play during Day Nine of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 4, 2012 in the Flushing neighborhood of the Queens borough of New York City.

Security checks the bag of a tennis fan arriving during a rain delay in the fourth round of play at the USTA Billie Jean King National Tennis Center for the 2012 US Open tennis tournament, Tuesday, Sept. 4, 2012, in New York.

Grounds crews dry the court at Arthur Ashe Stadium during a rain delay of a match between Samantha Stosur, of Australia, and Victoria Azarenka, of Belarus, in the quarterfinals of the 2012 US Open tennis tournament, Tuesday, Sept. 4, 2012, in New York.

Tennis fans use umbrellas to stay dry during a rain delay at the USTA Billie Jean King National Tennis Center in the quarterfinals of play the 2012 US Open tennis tournament, Tuesday, Sept. 4, 2012, in New York.